WordPress/wp-admin/load-styles.php

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<?php
/**
* Disable error reporting
*
* Set this to error_reporting( -1 ) for debugging
*/
error_reporting(0);
/** Set ABSPATH for execution */
if ( ! defined( 'ABSPATH' ) ) {
define( 'ABSPATH', dirname( dirname( __FILE__ ) ) . '/' );
}
define( 'WPINC', 'wp-includes' );
require( ABSPATH . 'wp-admin/includes/noop.php' );
require( ABSPATH . WPINC . '/script-loader.php' );
require( ABSPATH . WPINC . '/version.php' );
$load = $_GET['load'];
if ( is_array( $load ) ) {
$load = implode( '', $load );
}
$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $load );
$load = array_unique( explode( ',', $load ) );
if ( empty($load) )
exit;
$compress = ( isset($_GET['c']) && $_GET['c'] );
$force_gzip = ( $compress && 'gzip' == $_GET['c'] );
$rtl = ( isset($_GET['dir']) && 'rtl' == $_GET['dir'] );
$expires_offset = 31536000; // 1 year
$out = '';
$wp_styles = new WP_Styles();
wp_default_styles($wp_styles);
if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) && stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) === $wp_version ) {
$protocol = $_SERVER['SERVER_PROTOCOL'];
if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
$protocol = 'HTTP/1.0';
}
header( "$protocol 304 Not Modified" );
exit();
}
foreach ( $load as $handle ) {
if ( !array_key_exists($handle, $wp_styles->registered) )
continue;
$style = $wp_styles->registered[$handle];
if ( empty( $style->src ) ) {
continue;
}
$path = ABSPATH . $style->src;
if ( $rtl && ! empty( $style->extra['rtl'] ) ) {
// All default styles have fully independent RTL files.
$path = str_replace( '.min.css', '-rtl.min.css', $path );
}
$content = get_file( $path ) . "\n";
if ( strpos( $style->src, '/' . WPINC . '/css/' ) === 0 ) {
$content = str_replace( '../images/', '../' . WPINC . '/images/', $content );
$content = str_replace( '../js/tinymce/', '../' . WPINC . '/js/tinymce/', $content );
$content = str_replace( '../fonts/', '../' . WPINC . '/fonts/', $content );
$out .= $content;
} else {
$out .= str_replace( '../images/', 'images/', $content );
}
}
header("Etag: $wp_version");
header('Content-Type: text/css; charset=UTF-8');
header('Expires: ' . gmdate( "D, d M Y H:i:s", time() + $expires_offset ) . ' GMT');
header("Cache-Control: public, max-age=$expires_offset");
if ( $compress && ! ini_get('zlib.output_compression') && 'ob_gzhandler' != ini_get('output_handler') && isset($_SERVER['HTTP_ACCEPT_ENCODING']) ) {
header('Vary: Accept-Encoding'); // Handle proxies
if ( false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
header('Content-Encoding: deflate');
$out = gzdeflate( $out, 3 );
} elseif ( false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') && function_exists('gzencode') ) {
header('Content-Encoding: gzip');
$out = gzencode( $out, 3 );
}
}
echo $out;
exit;